Developer composition for lithographic printing plates
US4271261A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1979 |
| Grant date | Jun 2, 1981 |
| Priority date | — |
| Expiry date | Dec 21, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/32
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developer composition for a lithographic printing plate provided with a coated layer composed of a photosensitive polymer having in the main chain thereof groups of formula (I) ##STR1## wherein X and Y independently represent hydrogen, halogen, cyano or nitro, and n is an integer of 1 or 2, comprising ethylene glycol monophenyl ether and at least one acid selected from the group consisting of a mineral acid, an organic carboxylic acid and an organic sulfonic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.